610 



GEOLOGICAL SURVEY OP CANADA. 



PAGE. 



serotina, Poir 125 



sphsTocarpa, Mx 124 



Virginiana, L 125 



Virginiana, Mill 126 



Pseudotsiiga, Carr 472 



Douglasii, Can 472 



Psoralea, L 108 



argophylla, Pursh 108 



hrachiaia, Dougl 108 



elliplica, Pursh 108 



esculenta, Pursh 108 



lanceolata, Pursh 108 



laii^flora,T.&(jr 108 



physodes, Dougl 108, 506 



sealyra, T. & G 108 



Ptarmica borealis, DC 251 



vulgaris, DC 251 



Ptelea, L 93 



trifoliata, L 93, 503 



PteroBpora. Nutt 307 



andromedea, Nutt 307 



Pidmonaria lanceolata, Pursh ...... 339 



panicvlata. Ait 339 



parviflora, Pursh 338 



Sibirica, Pursh 339 



Virginica, L 338 



Pvisatilla alpina, Lawson 12 



patens, L 12 



Purshia, DC 132 



tridentata, DC 132,515 



Pycnanthemum, Mx 382 



incanum, Mx 383 



lanceolatum, Pursh 382 



linifolium, Pursh 574 



monardella, Mx 385 



muticum, Vera.,var. pilosum,Gr.574 



Pyrethrum bipmnatum, Willd 253 



inodorum. Smith 253 



Pyrola, L 303 



aphylla, Smith 306, 564 



asarifolia, jNIx 305 



bracteata. Hook 305 



chlorantha, Swartz 304 



mr. oocidentalis, Gr 304 



dentata. Hook 306 



elliptica, Nutt 304, 563 



maculata, L 306 



minor, L 303,563 



ocddentalis, R. Br 304 



picta, Smith 306, 563 



rotundifolia, L 305 



var. asarifolia, Hook 305 



var. bracteata, Gr 305,563 



var. incamata, DC 305 



var. pumila. Hook 305,563 



var. uliginosa, Gr. 305 



rotundifolia, Mx 304 



secimda, L 304 



var. /3., Hook 304 



var. pumila, Gr 304 



uniflora, Ij 306 



PAGa 



Pyrus. — See Pirus. 



Pyrus Botryapium, L 148 



ovalis, Pursh 149 



sanguinea, Pursh 148, 149 



Quercus, L 440 



alba, L 440 



var Gunnisonii, Torr 441 



var. microcarpa, DC 440 



var. pinnatifida, Mx 440 



var. rep nda, Pursh 440 



alba. Hook. 441 



ambigua, Ms. 442 



bicolor, Willd 441 



Ostanca,Muhl 442 



Chinquapin, Mx 442 



coccinea, Wang 443 



var. ambigua, Gr 442 



var. iinctoria, Gr 442 



discolor. Ait 443 



Douglasii, var. t! (?) Neasi, DC. .440 



Garryana, Dougl 440 



macrocarpa, Mx 441 



var. olivseformis, Gr 441 



montana, Willd 442 



obtusiloba, Mx 440 



obtusiloba, Mx 441 



olivseformis (Holmes Cat.) 441 



paluslris, Du Roi 443 



prinoides, Willd 442 



Prinus, L. . , 442 



var. acuminata, Mx 442 



var. discolor, Mx 441 



var. humilis, Marshall 442 



var. monticola, Mx 442 



var. pumila, Mx 442 



var. tomentosa, Mx 441 



rubra, L 442 



stellata,'Wa,ng 440 



tinctoria, Bart 443 



var. angvlosa, Mx .443 



RANUNCaLACB^ (l) 11 



Ranunculus, L 15 



abortlvus. L 18 



var. micranthus, Gr . . . 18, 480 



acris, L 20 



acris, L 22 



var. ft T. & G 22 



affinis, E. Br 18 



tiar. cardiophyllus, Gr 18 



var. leiocarpus, Trautv..l8, 480 



alismsefolius, Geyer 16, 480 



ambigens, Wat 480 



aquatilis, L. 



var. brachypus, Hook.& Arn 16 



var. csespitoSus, DC 16 



var. capillaceus, DC 16 



var. £o66n, Wat 15 



var. stagnatilis, DC 16 



mr. tricophyilus, Chaix.... 16 



